Fussy importance is quite elusive. It refers to someone who is vitally choosy and fault-finding. A persnickety individual often be fastidious and sets the bar high when it comes to criteria and perfection. Their fastidious nature can be seen as admirable, but it can also exacerbate unwarranted censure and avoidable dissatisfaction. Being persnickety is often related to exact focus on specifics but can also be seen as a manifestation of obsessiveness.